<template>
  <div class="login">
    <section class="form_container">
      <div class="manage_tip">
        <span class="title">前端面试指南后台管理系统</span>
        <el-form
          :model="loginUser"
          :rules="rules"
          ref="loginForm"
          label-width="60px"
          class="loginForm"
        >
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="loginUser.email" placeholder="请输入email"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input type="password" v-model="loginUser.password" placeholder="请输入密码"></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" class="submit_btn" @click="submitForm('loginForm')">登录</el-button>
          </el-form-item>
          <div class="tiparea">
            <p>
              还没有账号?现在
              <router-link to="/register">注册</router-link>
            </p>
          </div>
        </el-form>
      </div>
    </section>
  </div>
</template>

<script>
import  jwt_decode from 'jwt-decode';
export default {
  name: "login",
  components: {},
  data() {
    return {
      loginUser: {

        email: "",
        password: "",
      },
      rules: {
        email: [
          {
            type: "email",
            required: true,
            message: "邮箱格式不正确",
            trigger: "blur"
          }
        ],
        password: [
          {
            required: true,
            message: "密码不能为空",
            trigger: "blur"
          },
          {
            min: 6,
            max: 30,
            message: "长度在6到30之间",
            trigger: "blur"
          }
        ],
      }
    };
  },
  methods: {
    submitForm(formName) {
      //formName=registerForm
      this.$refs[formName].validate(valid => {
        if (valid) {
          this.$axios
            .post("/api/users/login", this.loginUser)
            .then(res => {
                //token
                console.log(res);
                const {token}=res.data;
                console.log(res.data.token);
                localStorage.setItem('eleToken',token);
                //解析token
                const decoded=jwt_decode(token);
                //token存储到vuex中
                this.$store.dispatch("setAuthenticated",!this.isEmpty(decoded));
                this.$store.dispatch("setUser",decoded);
                console.log(decoded);
                 this.$router.push("/index");
            });
        }
      });
    },
    isEmpty(value){
      return (
        value===undefined||
        value===null||
        (typeof value==='object' && Object.keys(value).length===0)||
        (typeof value==="string" && value.trim().length ===0)
      );
    }
  }
};
</script>

<style scoped>
.login {
  position: relative;
  width: 100%;
  height: 100%;
  background: url(../assets/bg.jpg) no-repeat center center;
  background-size: 100% 100%;
}
.loginForm {
  margin-top: 20px;
  background-color: #fff;
  padding: 20px 40px 20px 20px;
  border-radius: 5px;
  box-shadow: 0px 5px 10px #cccc;
}
.submit_btn {
  width: 100%;
} 
.tiparea{
    text-align: right;
    font-size: 12px;
    color:#333;
}
.tiparea p a{
    color:#409eff;
}
.form_container {
  width: 370px;
  height: 210px;
  position: absolute;
  top: 10%;
  left: 34%;
  padding: 25px;
  border-radius: 5px;
  text-align: center;
}
.form_container .manage_tip .title {
  font-family: "Microsoft YaHei";
  font-weight: bold;
  font-size: 26px;
  color: #fff;
}
</style>

